Belt-shipper



- (No Model.) R. H. HURLBUT.

BELT SHIPPER.

No. 385,713.- Patented July 10, 1888.

tlarrnn STATES l iafrnnr @FFICE.

RUFUS H. HURLBUT, OF SUDBURY, MASSACHUSETTS.

BELT SHlPPER.

SPECIFICATION forming part of Letters Patent No, 385,713, dated July 10, 1888.

Application filed March 12, 1888. Strial No. 266,983.

(No model.)

To aZZ whom, it mciy concern: will be noticed a double cam-groove, in which Be it known that I, RUFUS H. HURLIJUT, of is a stud and a roll, the studs being attached Sudbury, in the county ofMiddleseX andState rigidly one to each of the sliding plates H H. of lvlassachusetts, have invented a new and Thelower portion of each of these grooves jj 5 useful Improvement in Belt-Shippers,of which forms a part of the circumference of a circle, the following, taken in connection with the 210- of which the stud F is thecenter. A wooden companying drawings, is a specification. handle,l,is attached to the plate G, ofa. conven- My invention relates to shippers for belts ient length to be reached by the hand of the which drive the counter-shafts of lathes and operator. It willbe readily seen that by mov- IO similar machines which require two belts, ing the lower end of the handle I to the left, either for running the machine in opposite di- (in Fig. 1,)aud thus moving the upper part of reetions or at differing rates of speed. It is the plate G to the right, as shown by the dot desirable that either belt may be shipped onto ted lines, the stud t, attached to the plate H, a tight or loose pulley at will by one and the will be thrown to the right, carrying that plate 6 5 same lever, and it is customary to accomplish and its shipper-bars to the position shown by this by having one loose pulley for each belt the dotted lines, (D D showing the bars,) of a face double the width of the belt and a while the stud attached to plate H will not be tight pulley between them. Then,by means of moved at all, as the groovej is circumferena shipper that shifts both belts at the same tial to the center of motion of the plate G-viz., 20 time, either one may be run onto the tight pulthe stud F. By moving the handle back to its ley at will, the other moving from one side to first position the shipper H will also be rethe other of the wide loose pulley upon which stored, and a movement to the right or reverse it runs. will move the shipper H to the left, while H The object of my invention is to dispense will remain at rest. Thus, by a movement of 7 25 with the extra width of pulleys beyond the lever I, either shipper can be vibrated at will,

width of thebelt and to move only one bcltata carrying its belt to the tight or loose pulley,it time; andit consists ofa rigid shipper-bar upon being understood that one belt is supposed to which slide two independent shippers,each berun between the bars D D and another between ing operated by a cam-groove in an oscillating D D. 0 plate, said grooves being of such a shape that I do not limit my invention to the precise one of said shippers remains at rest while the form shown in the drawings, as the plate E, other is shifted by the oscillation of the plate, carrying the pivotal stud F, may be dispensed the operator being able to move either at will. with and the pivot F attached to an independ- This will be readily understood by reference ent support. The cam-grooves in the plate G 5 to the drawings, of whichmay be reversed, having the upperportions Figure 1 is a rear view, and Fig. 2 a front circumferential to the stud F, and the lower view, of the apparatus. portions at an angle with the upper ones, so

Arepresentsashipper-bar rigidly supported that the shippers would be thrown inward inby the hangers B B from the beam 0. On this stead of outward from their normal position c 0 bar two plates, H H, are arranged to slide by the movement of the lever, and thus each freely, each carrying two projecting bars, D D belt might be thrown upon one and the same D D, at a distance apart on each plate about central pulley, if desired, (not,of course,simulequal to the width of the belt to be shipped. taneously.) Between these twoplates,and midway between I elain1- 5 the ends of the bar A, is a plate, E, rigidly at 1. The combination of independently-movtached to it by a set-screw, a. The other end in g plates H 11, provided with bars D D D D, of this plate E carriesastud or bolt, F,to which with the oscillating plate G, having double is pivoted the plate G, (see Fig. 2,) which excamgrooves, one of which at each end of the tends from said pivot, so as to be above the plate is circumferential with the pivot about 10) 50 bar A and the plates HHuponit. Near each which said plate oscillates, arranged and to end of this plate G, and over the plates ll H, operate substantially as described.

2. The sliding plates H H, provided with studs 2' a, in combination with plate G, having cam-groovesjjjj,and movable abontapivot, F, whereby either of said plates H H can be 5 shifted independently of the other, substantially as set'forth.

3. The bar A, sliding platesH H, provided with bars D D D D, and studs i i, in combination with the plate G, pivoted at F,and hav- IO ing cam-grooves, as described, to receive the studs 13 t, as and for the purpose set forth.

4. The bar A, sliding plates H H, provided with studs M, in combination with the plate E, rigidly attached to bar A, and the oscillating plate G, pivoted to plate'E at F and having 15 cam-grooves, as described, adapted to receive the studs, as set forth, whereby the plates H H may be moved independently of each other, substantially as specified.

In testimony whereof I have signed my name 20 to this specificatiomin the presence of two subscribing witnesses, on this 7th day of March,

RUFUS H. HURLBUT.

Witnesses:

H. STORER BARRY, STEPHEN MOORE. 

